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Black HTC TM21 smartwatch with 1.04 inch screen

HTC TM21 Smart Watch Black Large 1.04

SKU CH-J4HS-ZZGRJ

A smart watch with a 1.04-inch screen tracking heart rate, sleep, blood oxygen and women's health metrics via Bluetooth

  • ColorBlack
  • TypeSmart Watch
  • SizeLarge
  • CompatibilitySmartphone
  • OS CompatibilityWindows
  • CameraActivity Tracker, Women's Health, Sleep Monitor, Vibration A
  • 04 inch display shows health data clearly
  • Heart rate and blood oxygen sensors track vital signs
  • Sleep and women's health monitoring built in
  • Vibration alerts for calls and reminders
  • Touch control manages music and camera remotely

HTC TM21 Smart Watch 1.04 Inch

The HTC TM21 is a large smart watch in black designed for smartphone users who want continuous health monitoring. It tracks heart rate, blood oxygen, body temperature and sleep duration while also providing women's health insights. Vibration alerts keep you informed of calls, alarms and reminders without checking your phone. The device pairs with the AIZO RING app on Windows and mobile platforms with no subscription fees.

All-day tracking and IP68 water resistance

Continuous sensor sampling runs throughout the day and night, capturing heart-rate trends, SpO2 levels and temperature shifts rather than single snapshots. The IP68 rating means the watch withstands dust ingress and immersion in water, so tracking continues during swimming, showering or heavy rain. Bluetooth connectivity maintains a steady link to the companion app for real-time data sync and vibration notifications during extended wear.

Simple magnetic charging and touch control

A dedicated magnetic charging cable snaps onto the back of the case, removing the need to align fiddly pins. The touch surface responds to double-tap and swipe gestures for music control, photo shutter, e-book paging and slide navigation without reaching for the phone. Buyers must measure finger circumference against the size chart before ordering, as an incorrect fit causes loose sensor contact and unreliable readings.

Punti di forza

  • 04 inch display shows health data clearly
  • Heart rate and blood oxygen sensors track vital signs
  • Sleep and women's health monitoring built in
  • Vibration alerts for calls and reminders
  • Touch control manages music and camera remotely

Caratteristiche tecniche

BrandHTC
ModelTM21
ColorBlack
TypeSmart Watch
SizeLarge
CompatibilitySmartphone
OS CompatibilityWindows
CameraActivity Tracker, Women's Health, Sleep Monitor, Vibration Alerts, Smart Touch, Heart Rate Monitor, Fitness Tracker, Lightweight, Waterproof
SensorsHeart Rate, Sleep Duration, Body Temperature, Blood Oxygen Monitor
Screen Size1.04"
Storage Expansion1 GB
Wearable EC Max Card Capacity1 GB
ConnectivityBluetooth, bluetooth
BluetoothBluetooth
ConnectorCharging Cable
SpecificationActivity Tracker, Women's Health, Sleep Monitor, Vibration Alerts, Smart Touch, Heart Rate Monitor, Fitness Tracker, Lightweight, Waterproof, uaue, TM21, Charging Cable
FeaturesHeart Rate Monitor
Height3.4036 L x 8.89 W x 9.1948 H centimeters
Width3.4036 L x 8.89 W x 9.1948 H centimeters
Depth3.4036 L x 8.89 W x 9.1948 H centimeters
Package ContentCharging Cable

Domande su questo articolo

Will the 1.04-inch screen stay readable and the vibration alerts stay strong during all-day wear without overheating?

The watch is described as lightweight and waterproof with vibration alerts and continuous heart-rate, sleep and blood-oxygen monitoring, but no power-draw or thermal figures are supplied.

What smartphone and software must I already have to pair and use the TM21?

It connects by Bluetooth to a smartphone and uses the AIZO RING app; the specifications list Windows OS compatibility alongside iPhone and Android support.

Can I keep using my existing charging cables and phone accessories with this watch?

The TM21 charges only through its own supplied charging cable and pairs via Bluetooth, so older proprietary cables or docks will not work with it.

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